--- title: "Features" description: "Every feature in Nextmail, shown working: catch-all addresses, your own domains, full-text search, AI over your mail, and agents over MCP." url: "https://nextmail.sh/features" --- Features # Everything Nextmail does, and how it does it. 90 things you can use today and 0 still to come. Only the ones still to come are marked, so an unmarked card is one that works. Every one of them is below, with what it actually does. 01 · 12 features ## Domains & addresses Nextmail is built around the domain rather than the mailbox. You point one at us, and every address on it is real. acme.com acme.dev studio.acme.com hello@ acme.com delivered billing@ acme.com delivered oct-2026-signup@ acme.com delivered anything-at-all@ acme.com delivered ### Catch-all addresses Every address on the domain receives, including ones that have never been created. One switch closes it. hello@ yourdomain.com delivered billing@ yourdomain.com delivered careers@ yourdomain.com delivered anything-at-all@ yourdomain.com delivered oct-2026-signup@ yourdomain.com delivered ### Multiple domains Point several domains at one inbox, subdomains included. acme.com acme.dev team.acme.com hey.acme.io ### DMARC policy A starter p=none record, printed to copy or written by a sync, never tightened for you. TXT \_dmarc.acme.com v=DMARC1; p= none; rua=… Optional watch only ### Temporary addresses A free inbox that takes real mail for an hour, then closes, so a signup cannot follow you. trial-signup@example.com 60 min extend it an hour at a time, up to a day ### Send as any alias Reply from the exact address the mail arrived on. to billing@acme.com from billing@acme.com ### Merged inboxes Read every address in one stream, or narrow to the two or three you actually work out of. hello@acme.com me@acme.dev support@acme.io one inbox ### Forward an address elsewhere Point any address, or everything a domain accepts, at an outside mailbox instead of this one. acme.com acme.dev studio.acme.com hello@ acme.com delivered billing@ acme.com delivered oct-2026-signup@ acme.com delivered anything-at-all@ acme.com delivered ### Workspace branding Put your own mark and logo in the sidebar, in place of ours. acme.com acme.dev studio.acme.com hello@ acme.com delivered billing@ acme.com delivered oct-2026-signup@ acme.com delivered anything-at-all@ acme.com delivered ### Custom webmail domain Your team opens its mail at a subdomain of yours, such as mailbox.yourcompany.com, with your brand on it. acme.com acme.dev studio.acme.com hello@ acme.com delivered billing@ acme.com delivered oct-2026-signup@ acme.com delivered anything-at-all@ acme.com delivered ### Your addresses in any mail app Read and send from an address in Apple Mail, Outlook, Thunderbird, the Gmail app or your phone’s own mail app, with its calendar and contacts too, signed in with an app password. acme.com acme.dev studio.acme.com hello@ acme.com delivered billing@ acme.com delivered oct-2026-signup@ acme.com delivered anything-at-all@ acme.com delivered ### A free personal address Every account comes with yourname@openemail.uk, an address that sends and receives, kept apart from your workspaces. to billing@acme.com from billing@acme.com ### Move a domain between workspaces Take a domain, its addresses and all their mail from one of your workspaces to another. acme.com acme.dev team.acme.com hey.acme.io 02 · 15 features ## Reading & organising What happens between mail arriving and you deciding what to do about it. from:sarah invoice match match match ### Search by words or meaning Forgiving words, operators like from: and has:, and search by meaning, inside the folder you are reading. invoice from stripe Stripe · Invoice #4021 Stripe · Receipt for Aug ### Read in your language A message you cannot read, turned into a language you can, without leaving it. it → en La fattura scade venerdì. The invoice is due on Friday. the original stays one tap away ### Labels Name a label, pick a colour, and filter the list down to it. Invoices Recruiting Newsletters ### AI labels Say what a label is for in plain words, and AI adds it to new mail that fits. from:sarah invoice match match match ### Inbox tabs The inbox sorted into Primary, Promotions, Updates, Social and Forums, so mail from people comes first. from:sarah invoice match match match ### Thread notes Keep a private note attached to a thread. 18 messages → 1 summary Three people agreed the launch slips to the 14th. Ali owns the changelog; Sarah needs copy by Friday. ### Analytics & graphs What your mailbox is actually doing, drawn rather than guessed at. 62 on Monday · 38 still waiting on you ### Recipient suggestions The people you already write to, offered as you type. The address book syncs with Apple Contacts and other CardDAV apps. SR AK NM JD PL +1,240 sarahreyes@acme.com ### Keyboard-first Search is /, the assistant is ⌘0, and the list moves under the arrow keys. next thread ### Sign-up forms for audiences A form on your website, or a hosted link, that adds whoever fills it in to an audience. from:sarah invoice match match match ### Snooze Put a conversation away until a time you pick, and find it back in the inbox then. Tomorrow, 8:00 queued, not sent ### Mute Silence a conversation you no longer need to follow. New replies skip the inbox and alert nobody. from:sarah invoice match match match ### Audiences Named lists of your contacts, filled by hand or from a CSV file, to send to and to watch grow. SR AK NM JD PL +1,240 sarahreyes@acme.com ### New-mail alerts A desktop alert and a chime when mail arrives while Nextmail is open in a tab. from:sarah invoice match match match ### Verification codes The sign-in code from a verification email, at the top of the message with a button to copy it. from:sarah invoice match match match 03 · 25 features ## Writing & sending The composer, and everything attached to the moment you hit send. Re: Invoice 0421 Thanks. Invoice attached, due the 30th. Send or schedule for 8:00 ### Templates A body written once, versioned, and sent many times: from the composer, from your own code, or by an agent. Intro Invoice Follow-up Hi Sarah, good to meet you at ### Send to an audience One email to everybody in an audience, a separate copy for each person, with their own name in it. Re: Invoice 0421 Thanks. Invoice attached, due the 30th. Send or schedule for 8:00 ### Files Every attachment this mailbox holds, in one place you can search, download and clear out. Re: Invoice 0421 Thanks. Invoice attached, due the 30th. Send or schedule for 8:00 ### Per-address email settings Each address carries its own signature, footer and tracking. The catch-all covers what it catches, and one address’s choice copies to the rest in one step. Remote images and the blocklist can be set per address or per domain too. Re: Invoice 0421 Thanks. Invoice attached, due the 30th. Send or schedule for 8:00 ### Signature Several sign-offs on each address you send from, with one picked for each message. Re: Invoice 0421 Thanks. Invoice attached, due the 30th. Send or schedule for 8:00 ### Writing tools Formatting, inline completion and emoji shortcodes in the composer. Re: Invoice 0421 Thanks. Invoice attached, due the 30th. Send or schedule for 8:00 ### Spelling and grammar Spelling, grammar and clarity suggestions as you write, checked on your own device. Re: Invoice 0421 Thanks. Invoice attached, due the 30th. Send or schedule for 8:00 ### Send in theirs Write in your own language and have it arrive in the recipient’s. Got it. I’ll send it over on Friday. it sv el they read Ricevuto. Te lo mando venerdì. ### Meetings & calendar A calendar at /mail/calendar in month, week and day views, holding both your meetings and the mail you have queued to go out later. It syncs with Apple Calendar and other CalDAV apps. Mon Tue Wed Thu Fri Tue 10:00, Design review. Meetings and queued mail, one grid ### Drafts Autosaved three seconds after you stop typing, and reopened from the Drafts folder with the recipients, the subject, the body and the From address intact. The attachments stay behind. Re: Design review Thanks. Shipping the fix this afternoon. Send no mouse, no menus ### Scheduled send Write it now, land it when they are awake. Tomorrow, 8:00 queued, not sent ### Remind me if nobody replies Send a message and get it back at the top of the inbox if no reply has come by the time you pick. Re: Invoice 0421 Thanks. Invoice attached, due the 30th. Send or schedule for 8:00 ### Undo send A window to change your mind, and the composer comes back exactly as it was. Tomorrow, 8:00 queued, not sent ### See when mail you sent was opened Whether a message you sent has been opened, when, how many times and which of its links were followed. Off until you turn it on, and plain about the readings it cannot get. Re: Invoice 0421 Thanks. Invoice attached, due the 30th. Send or schedule for 8:00 ### Tracking on your own domain Tracked links and the open pixel on a subdomain you choose, such as links.yourdomain.com, instead of the Nextmail address. Re: Invoice 0421 Thanks. Invoice attached, due the 30th. Send or schedule for 8:00 ### Files on your own domain Download links for the files you send on a subdomain you choose, such as files.yourdomain.com, instead of the Nextmail address. Re: Invoice 0421 Thanks. Invoice attached, due the 30th. Send or schedule for 8:00 ### Attachments Pick them with the paperclip or paste them in. A pasted image lands in the body rather than the file list, and a file dragged onto the composer is not attached at all. In a mailbox hosted on Nextmail, incoming files sit in object storage, one object each, and a file is fetched only when you open or download it. contract\_v3.pdf 2.4 MB brand-kit.zip 18 MB ### Checks before you send Your draft scored for spam, phishing and AI writing as you write it, the way a receiving server would read it. receipts@ stripe.com SPF DKIM DMARC verified sender ### Delivery status Which recipients a message you sent reached, and a warning in the list when one did not. Re: Invoice 0421 Thanks. Invoice attached, due the 30th. Send or schedule for 8:00 ### Broadcast reports Every send to an audience on a page of its own, with delivery, opens, clicks, unsubscribes and each person’s copy. 62 on Monday · 38 still waiting on you ### Sending analytics What became of the mail you sent: delivered, bounced or reported as spam, by address and by how it was sent. 62 on Monday · 38 still waiting on you ### Sending lanes App mail and newsletters travel separately, so a newsletter never delays a password reset. Re: Invoice 0421 Thanks. Invoice attached, due the 30th. Send or schedule for 8:00 ### Dedicated IP An IP address that only your workspace sends from, as a paid add-on for high volume. Re: Invoice 0421 Thanks. Invoice attached, due the 30th. Send or schedule for 8:00 ### Automations Emails that send themselves when someone joins a list or does something in your product. dana@northwind.co Send an email Welcome Sent Wait For 3 days Waited Yes or no Opened Welcome? Yes ### Booking pages A link where people pick a free time and book a meeting on your calendar. Re: Invoice 0421 Thanks. Invoice attached, due the 30th. Send or schedule for 8:00 04 · 10 features ## AI Everything here runs against your own mailbox, and none of it sends anything without you. What did Sarah decide about the launch? AnswerShe moved it to the 14th and owns the changelog. Included on every plan. ### Ask your inbox A chat that can act, not just answer. On every plan, Free included. What did Sarah decide about the launch? AnswerShe moved it to the 14th and owns the changelog. Included on every plan. ### Tasks Give the assistant work to do by itself: on a schedule, when mail arrives, or once in the background. What did Sarah decide about the launch? AnswerShe moved it to the 14th and owns the changelog. Included on every plan. ### Subject lines Write the body, and the subject writes itself. Subject Invoice 0421: due the 30th ### Draft from a note Give it the gist and get the whole body back, in the first person as you. Re: Invoice 0421 Thanks. Invoice attached, due the 30th. Send or schedule for 8:00 ### Your writing style Drafts are shaped by how you actually write. What did Sarah decide about the launch? AnswerShe moved it to the 14th and owns the changelog. Included on every plan. ### Suggested replies Short replies to the latest message, ready to send. What did Sarah decide about the launch? AnswerShe moved it to the 14th and owns the changelog. Included on every plan. ### Thread summaries A few lines at the top of a conversation that say what it is about, brought up to date as it grows. 18 messages → 1 summary Three people agreed the launch slips to the 14th. Ali owns the changelog; Sarah needs copy by Friday. ### Rewrite with AI Three or five other versions of your subject or your body, shorter, longer or in another tone, to pick from. Re: Invoice 0421 Thanks. Invoice attached, due the 30th. Send or schedule for 8:00 ### Knowledge base Give the AI your company’s facts: notes, files and web pages for the whole workspace, one domain or one address, used in every reply suggestion, draft and assistant answer. What did Sarah decide about the launch? AnswerShe moved it to the 14th and owns the changelog. Included on every plan. ### Connectors Connect the apps you work in, so the assistant can look things up in them and act there. What did Sarah decide about the launch? AnswerShe moved it to the 14th and owns the changelog. Included on every plan. 05 · 7 features ## Safety & authenticity Two questions about a message you were not expecting: is the sender the domain it claims to be, and did a person write this. Both are answered on the message itself, next to the sender, rather than in a filter that quietly disappears things. receipts@ stripe.com SPF DKIM DMARC verified sender ### Verified sender A mark beside the sender when the sending domain’s published records line up. receipts@ stripe.com SPF DKIM DMARC verified sender ### Sender pictures A real picture for everyone you correspond with when one can be found, and a mark seeded on their identity when it cannot. receipts@ stripe.com SPF DKIM DMARC verified sender ### Phishing & spam filtering Mail the sending domain itself disowns lands in Spam rather than the inbox. receipts@ stripe.com SPF DKIM DMARC verified sender ### Sender research & look-alike domains Who is this, in fifty words, and is the domain a look-alike? receipts@ stripe.com SPF DKIM DMARC verified sender ### Written by AI A label on the message when the words look generated rather than written. I hope this email finds you well. I wanted to reach out regarding the proposal we discussed last week. Our approach is designed to be robust, scalable, and straightforward to adopt. Moreover, it is not just about the tooling, but about the outcomes it enables for your team. In conclusion, please do not hesitate to reach out if you have any questions. 70% likely written by a model ### Checks on every message Every message you receive scored for spam, phishing and AI writing, with each check behind the scores listed. receipts@ stripe.com SPF DKIM DMARC verified sender ### Which service sent it The mail service a message was sent with, beside the sender, and a note when it reached you through a forward. receipts@ stripe.com SPF DKIM DMARC verified sender 06 · 5 features ## Filters & blocking Spam filtering decides what is junk. This is the other half: what you have decided you do not want, however legitimate it is and whoever it is from. deals@spammy.io blocked sender anyone@spammy.io blocked domain hr@recruit.co language filter ci@acme.dev your rule → archive ### Block a sender or a domain One address, or everything from a domain, stopped before it reaches you. deals@spammy.io blocked sender anyone@spammy.io blocked domain hr@recruit.co language filter ci@acme.dev your rule → archive ### Bad-language filter Mail carrying the words you do not want to read does not open in front of you. deals@spammy.io blocked sender anyone@spammy.io blocked domain hr@recruit.co language filter ci@acme.dev your rule → archive ### Rules you write yourself Your own conditions, and what should happen to anything that matches them. deals@spammy.io blocked sender anyone@spammy.io blocked domain hr@recruit.co language filter ci@acme.dev your rule → archive ### Out of office An automatic reply from one address while you are away, with a start, an end and your own words. deals@spammy.io blocked sender anyone@spammy.io blocked domain hr@recruit.co language filter ci@acme.dev your rule → archive ### Subscriptions Every newsletter and mailing list that writes to you, in one place to unsubscribe from, file away or block. deals@spammy.io blocked sender anyone@spammy.io blocked domain hr@recruit.co language filter ci@acme.dev your rule → archive 07 · 6 features ## Workspaces & team A workspace holds your domains, the mailboxes on them, and the people who read them. Sharing is per address or per whole domain, and a whole domain covers every address made on it later. billing@acme.com shared SSarah AAli JJamie NNadia No seat added. The bill does not move. ### Share an address Hand billing@ to the person who does the billing. share with sarah@acme.com SA AL NI have access ### Scoped visibility One address means one address. Sarah support@ Alex billing@ Nina careers@ read, or read and send as it, with nothing else visible ### Roles & permissions levels A role says what somebody may do, and an address grant says where, unless the role reaches every address. Sarah support@ Alex billing@ Nina careers@ read, or read and send as it, with nothing else visible ### Invitations Share with someone who has not signed up yet and have them invited. billing@acme.com shared SSarah AAli JJamie NNadia No seat added. The bill does not move. ### Several workspaces Run each business in its own workspace, with its own domains, mail, team, plan and invoices, and switch between them from the sidebar. billing@acme.com shared SSarah AAli JJamie NNadia No seat added. The bill does not move. ### A password for one address Let somebody sign in as one address, such as someone covering support@, with a password you set, and reach nothing else. share with sarah@acme.com SA AL NI have access 08 · 10 features ## Privacy & ownership Privacy first is a claim every mail company makes, so here it is as a list you can hold us to: what is stripped out of a message before you see it, what is fetched on your behalf and how to stop it, and what happens to your mail when you stop paying us. 1 Export requested 2 Every message rebuilt 3 acme\_20260922\_091402.zip saved ### Tracking pixels stripped The invisible image that tells a sender you opened their mail is gone before you see the message. tracking pixel stripped hidden preheader stripped remote image stripped 0 left to phone home ### Remote image control Stop a sender fetching anything from their own server while you read. tracking pixel stripped hidden preheader stripped remote image stripped 0 left to phone home ### Choose which emails we send you Per-category switches in Account → Notifications, and the ones that matter are honestly marked as unswitchable. 1 Export requested 2 Every message rebuilt 3 acme\_20260922\_091402.zip saved ### Your mail on object storage Full message bodies and attachment bytes on R2, indexed per mailbox. Object storage 12% streamed, never re-encoded ### Bring your old mailbox Bring the mail you already have: copy it straight from the old mailbox by signing in, or upload a Google Takeout export or an .mbox file, threaded and dated as it was. 1 Export requested 2 Every message rebuilt 3 acme\_20260922\_091402.zip saved ### Take your mail with you One download from the Export page with everything in it: every message and attachment as mbox files another mail app opens, plus your contacts, calendar, labels, rules, templates, notes and settings. 1 Export requested 2 Every message rebuilt 3 acme\_20260922\_091402.zip saved ### Transport encryption Mail moves over TLS on the hops we run, and transport alone never turns the padlock green, because nothing on this backend can read the transport off a delivery. readable where it lands Wire transfer approved, details attached. you tls nextmail.sh starttls? them ### Encryption at rest Bodies, attachments and what you write are sealed before they are stored, so a copy of the database is ciphertext rather than mail. readable where it lands Wire transfer approved, details attached. you tls nextmail.sh starttls? them ### End-to-end encryption OpenPGP keys made in your browser. Mail you send to another Nextmail address can be sealed before it leaves the tab, and sealed mail addressed to you opens in the reading pane, decrypted on your machine. The keys are never ours to hand over. 1 Export requested 2 Every message rebuilt 3 acme\_20260922\_091402.zip saved ### Account security A code from your authenticator app, on top of your password. 1 Export requested 2 Every message rebuilt 3 acme\_20260922\_091402.zip saved In practice ## One job at a time start to finish. 40 short walkthroughs of things people do with Nextmail. Each one shows the setup, the screens you use and the parts it runs on. [Every walkthrough](https://nextmail.sh/features/in-practice.md) ## More features Developer features The email API, webhooks, the typed SDK, the command line and keys you can narrow. Agent features MCP, temporary inboxes, safe sends and the approval that sets what an agent can reach.